Last Modified: 06-02-2026 6.11:8.1.0 Doc ID: RM100000001EGZT
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 02/2019]
Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: DCM POWER SOURCE CIRCUIT; 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]

DCM POWER SOURCE CIRCUIT

DESCRIPTION

This is the power source circuit to operate the DCM (Telephone Transceiver Assembly).

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (DCM (TELEPHONE TRANSCEIVER ASSEMBLY) - BATTERY AND GROUND)

(a) Disconnect the DCM (Telephone Transceiver Assembly) connector.

*a

Front view of wire harness connector

(to DCM (Telephone Transceiver Assembly))

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection

Condition

Specified Condition

G9-4 (E) - Body ground

Always

Below 1 Ω

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage

Tester Connection

Condition

Specified Condition

*1: w/o Stop and start system

*2: w/ Stop and start system

G9-1 (+B) - G9-4 (E)

Always

11 to 14 V*1

10.5 to 16 V*2

G9-7 (IG2) - G9-4 (E)

Ignition switch ON

11 to 14 V*1

10.5 to 16 V*2

G9-8 (ACC) - G9-4 (E)

Ignition switch ACC

11 to 14 V*1

10.5 to 16 V*2

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR